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Group of Calculation and Notation Devices four total including rare
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Group of Calculation and Notation Devices four total including rare
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Verified Auction Record

Group of Calculation and Notation Devices, four total including

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Sold Date 2026 full date locked
Source WICKLIFF AUCTIONEERS, Carmel, IN, USA
Adjusted Price $___
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Description

Group of Calculation and Notation Devices, four total including: rare horse race handicapper slide rule in original case, highly detailed with hundreds of individual calculations pertaining to the track, horse, conditions etc., made by J.R. Delaney, copyright 1950; 1973 Columbia electronic calculator, with original case, power supply and instruction manual;...
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